public void GetFirstValue_WithNullDataRow()
{
//Arrange
DataRow dataRow = null;
string columnName = "Column1";
// Action
var actual = DataRowExtensions.GetFirstValue(dataRow, columnName);
// Assert
Assert.IsNull(actual);
}
public void GetFirstValue_WithNullColumnNames()
{
//Arrange
var dataTable = new DataTable();
string[] columnNames = null;
var dataColumn = new DataColumn(Guid.NewGuid().ToString());
dataTable.Columns.Add(dataColumn);
var dataRow = dataTable.NewRow();
// Action
DataRowExtensions.GetFirstValue(dataRow, columnNames);
}
public void GetFirstValue_WithValidValue()
{
//Arrange
var dataTable = new DataTable();
string columnName = "Column1";
var dataColumn = new DataColumn(columnName);
dataTable.Columns.Add(dataColumn);
var dataRow = dataTable.NewRow();
var expected = Guid.NewGuid().ToString();
dataRow[dataColumn] = expected;
// Action
var actual = DataRowExtensions.GetFirstValue(dataRow, columnName);
// Assert
Assert.AreEqual(expected, actual);
}